Add "apple symbols' to xterm font list

Since Chrome on Mac OS doesn't show characters like U+1696,
we need to add a font that has those characters as a fallback target.

resources/xterm_customize.css

 .terminal {
 .terminal {
-    font-family: "DejaVu Sans Mono", "Everson Mono", FreeMono, Menlo, Terminal, monospace;
+    font-family: "DejaVu Sans Mono", "Everson Mono", FreeMono, Menlo, Terminal, monospace, "Apple Symbols";
 }
 }
 
 
 .xterm-overlay {
 .xterm-overlay {
-    font-family: "DejaVu Sans Mono", "Everson Mono", FreeMono, Menlo, Terminal, monospace;
+    font-family: "DejaVu Sans Mono", "Everson Mono", FreeMono, Menlo, Terminal, monospace, "Apple Symbols";
     border-radius: 15px;
     border-radius: 15px;
     font-size: xx-large;
     font-size: xx-large;
     color: black;
     color: black;

server/asset.go

@@ -114,7 +114,7 @@ func staticCssXtermCss() (*asset, error) {
 	return a, nil
 	return a, nil
 }
 }
 
 
-var _staticCssXterm_customizeCss = []byte("\x1f\x8b\x08\x00\x00\x00\x00\x00\x00\xff\xb4\x8e\xc1\x4e\xf3\x40\x0c\x84\xef\x79\x0a\xab\x52\xa5\xff\x97\xb2\x51\x8a\x14\x81\xb6\x57\xe0\xd6\x13\x88\xbb\x9b\x38\x65\xe9\xc6\x8e\xbc\x9b\x92\x80\xfa\xee\x28\x64\x0b\x7d\x01\x2e\xd6\x8c\x35\x9e\xcf\x45\x24\xed\x1c\xa3\x87\xcf\x0c\x00\xa0\x15\x8e\xa6\xc5\xce\xf9\xc9\xc2\xea\x9e\xde\xf0\x65\x80\x27\xe4\x00\x3b\x61\x59\xe5\xb0\x7a\x38\x91\x06\xe1\x8b\x7f\x54\xa2\x59\xe6\xb0\x23\xf6\x92\xc3\x73\x2a\xcc\xa1\x13\x96\xd0\x63\x4d\xdb\xec\x9c\x65\xc5\x38\xa3\x8c\x9c\x48\x3d\x4e\x7f\x8b\x9b\xab\xf7\xa2\x0d\xa9\x51\x6c\xdc\x10\x2c\x6c\xaa\x7e\xdc\xfe\x32\x83\xfb\x20\x0b\xe3\x68\x3c\xea\x21\x5d\xd4\xe2\x45\x2d\xec\x3d\xd6\xc7\xd4\x81\xf5\xf1\xa0\x32\x70\x63\xe1\xfd\xd5\xc5\x14\x94\x1e\x6b\x17\x27\x0b\x65\x71\x5b\x2d\xab\x1e\x9b\xc6\xf1\x61\x5e\xdd\x50\x07\x65\x51\x7d\xcf\x1f\x9d\x52\x12\x5c\x74\xc2\x16\x70\x1f\xc4\x0f\x97\xc2\x28\xbd\x85\xaa\x5c\x2f\xce\x53\x1b\xaf\x6c\x54\xe4\xd0\x8a\x76\x76\x91\x1e\x23\xfd\x33\x55\xb9\xce\x61\x9e\xff\x97\xd4\x10\x48\x4d\x20\x4f\x75\xb4\xc0\xc2\x74\x75\x9c\x98\xe9\x6d\xd8\xdc\x95\x5d\x00\xc2\x40\xc6\xf1\x36\x3b\x7f\x05\x00\x00\xff\xff\xd2\xd9\x6e\xaa\x04\x02\x00\x00")
+var _staticCssXterm_customizeCss = []byte("\x1f\x8b\x08\x00\x00\x00\x00\x00\x00\xff\xbc\x8e\x41\x6b\xe3\x30\x10\x85\xef\xfe\x15\x83\x21\xb0\x0b\x96\x71\x16\xcc\x2e\xca\x69\xa1\xed\x2d\xa7\x94\xde\xc7\xf6\x38\x55\x23\xcd\x08\x49\x4e\xed\x96\xfc\xf7\xe2\xda\x69\xf3\x0b\x7a\x19\xde\x1b\x3d\xbd\x6f\xca\x44\xc1\x19\x46\x0b\xef\x19\x00\x40\x2f\x9c\x54\x8f\xce\xd8\x49\x43\x7e\x47\x2f\xf8\x34\xc0\x01\x39\xc2\x5e\x58\xf2\x02\xf2\xfb\x33\x85\x28\x7c\xf5\x0f\x81\x68\x96\x05\xec\x89\xad\x14\xf0\xb8\x16\x16\xe0\x84\x25\x7a\x6c\xa9\x80\xfc\xbf\xf7\x96\xe0\x30\xb9\x46\x6c\xcc\x77\xd9\x25\xcb\xca\x71\x66\x2b\x39\x53\xb0\x38\xfd\x30\x7f\x66\x35\x12\x3a\x0a\x2a\x60\x67\x86\xa8\x61\x5b\xfb\x71\xf7\x7d\x44\x34\x6f\xa4\x61\x1c\x95\xc5\x70\xa4\xe5\xa1\x15\x2b\x41\x43\x63\xb1\x3d\xad\x1d\xd8\x9e\x8e\x41\x06\xee\x34\xbc\x3e\x9b\xb4\x06\xc5\x63\x6b\xd2\xa4\xa1\x2a\xff\xd6\xcb\xca\x63\xd7\x19\x3e\xce\xab\x3f\xe4\xa0\x2a\xeb\xcf\xf9\xa5\xd7\x94\x44\x93\x8c\xb0\x06\x6c\xa2\xd8\xe1\x5a\x98\xc4\x6b\xa8\xab\xcd\xe2\x2c\xf5\xe9\xc6\xa6\x80\x1c\x7b\x09\x4e\x2f\xd2\x62\xa2\x5f\xaa\xae\x36\x05\xcc\xf3\xf7\x92\x1a\x22\x05\x15\xc9\x52\x9b\x34\xb0\x30\xdd\x7c\x5e\x99\xeb\xd9\xb0\xfd\x57\xb9\x08\x84\x91\x94\xe1\x5d\x76\xf9\x08\x00\x00\xff\xff\xa9\x5f\x6b\xf4\x26\x02\x00\x00")
 
 
 func staticCssXterm_customizeCssBytes() ([]byte, error) {
 func staticCssXterm_customizeCssBytes() ([]byte, error) {
 	return bindataRead(
 	return bindataRead(
@@ -129,7 +129,7 @@ func staticCssXterm_customizeCss() (*asset, error) {
 		return nil, err
 		return nil, err
 	}
 	}
 
 
-	info := bindataFileInfo{name: "static/css/xterm_customize.css", size: 516, mode: os.FileMode(436), modTime: time.Unix(1503381631, 0)}
+	info := bindataFileInfo{name: "static/css/xterm_customize.css", size: 550, mode: os.FileMode(436), modTime: time.Unix(1503454064, 0)}
 	a := &asset{bytes: bytes, info: info}
 	a := &asset{bytes: bytes, info: info}
 	return a, nil
 	return a, nil
 }
 }